bsg: Check queue type before attaching to a queue

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Since BSG only supports request queues for which struct scsi_request
is the first member of their private request data, refuse to register
block layer queues for which struct scsi_request is not the first
member of their private data.

References: commit bd1599d931 ("scsi_transport_sas: fix BSG ioctl memory corruption")
References: commit 82ed4db499 ("block: split scsi_request out of struct request")
Signed-off-by: Bart Van Assche <bart.vanassche@sandisk.com>
Reviewed-by: Hannes Reinecke <hare@suse.com>
Reviewed-by: Christoph Hellwig <hch@lst.de>
Cc: Omar Sandoval <osandov@fb.com>
Signed-off-by: Jens Axboe <axboe@fb.com>

...

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Bart Van Assche 2017-05-31 14:43:47 -07:00 • committed by Jens Axboe

parent 9efc160f4b

commit d9f9726446

1 changed files with 6 additions and 0 deletions

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block/bsg.c

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